#1A278D#1A278D

#1A278D is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.4% C 0.166 H 269.0°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#1A278D
RGB	rgb(26, 39, 141)
HSL	hsl(233, 69%, 33%)
HSV	hsv(233, 82%, 55%)
CMYK	cmyk(81.6%, 72.3%, 0%, 44.7%)
CIE-LAB	lab(22.28, 33.63, -57.40)
CIE-LCH	lch(22.28, 66.53, 300.36°)
OKLab	oklab(34.37% -0.0029 -0.1663)
OKLCH	oklch(34.37% 0.166 269)
XYZ	xyz(5.9576, 3.5930, 25.5737)
Luminance	0.0359 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A278D #8D801A

analogous

#1A618D #1A278D #461A8D

triadic

#1A278D #8D1A27 #278D1A

tetradic

#1A278D #8D1A61 #8D801A #1A8D46

square

#1A278D #8D1A61 #8D801A #1A8D46

split-complementary

#1A278D #8D461A #618D1A

monochromatic

#070A26 #101959 #1A278D #2435C1 #4556DD

Accessibility & contrast

On white

12.22

#1A278D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1A278D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A278D

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A278D	#FFFFFF	#000000	##FFFFFF
##1A278D	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B90

Deuteranopia (green-blind)

#00308B

Tritanopia (blue-blind)

#004457

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1a278d;
/* rgb */ color: rgb(26, 39, 141);
/* oklch */ color: oklch(34.4% 0.166 269.0);

Tailwind

colors: {
  custom: {
    50: '#6d61af',
    500: '#1a278d',
    950: '#000000',
  },
}

SCSS

$custom: #1a278d;
$custom-light: #6d61af;
$custom-dark: #000000;

JSON

{
  "hex": "#1a278d",
  "rgb": {
    "r": 26,
    "g": 39,
    "b": 141
  },
  "hsl": {
    "h": 233.217,
    "s": 68.862,
    "l": 32.745
  },
  "oklch": {
    "l": 0.34372,
    "c": 0.16631,
    "h": 269
  },
  "luminance": 0.03594
}

Semantic roles & 50–950 ramp

primary

#1A278D

secondary

#BEB045

accent

#D83CEC

background

#F7F5FA

surface

#EDEAF5

border

#C8C6CF

text

#080511

muted

#7B7980

Preview Lab

Preview with #1A278D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →